XHProf: Hierarchical Profiler Report

Diff Report: Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip: Click a function name below to drill down.

Drupal\Core\Database\Database::openConnection	Run #519e62c02d767	Run #519e633ddef65	Diff	Diff%
Number of Function Calls	1	1	0	0.0%
Incl. Wall Time (microsec)	1,335	1,262	-73	-5.5%
Incl. Wall Time (microsec) per call	1,335	1,262	-73	-5.5%
Excl. Wall Time (microsec)	37	35	-2	-5.4%
Incl. CPU (microsecs)	699	699	0	0.0%
Incl. CPU (microsecs) per call	699	699	0	0.0%
Excl. CPU (microsec)	32	27	-5	-15.6%
Incl. MemUse (bytes)	152,456	152,456	0	0.0%
Incl. MemUse (bytes) per call	152,456	152,456	0	0.0%
Excl. MemUse (bytes)	3,520	3,520	0	0.0%
Incl. PeakMemUse (bytes)	91,000	91,000	0	0.0%
Incl. PeakMemUse (bytes) per call	91,000	91,000	0	0.0%
Excl. PeakMemUse (bytes)	3,264	3,264	0	0.0%

Function Name	Calls Diff	Calls Diff%	Incl. Wall Diff (microsec)	IWall Diff%	Incl. CPU Diff (microsec)	ICpu Diff%	Incl. MemUse Diff (bytes)	IMemUse Diff%	Incl. PeakMemUse Diff (bytes)	IPeakMemUse Diff%
*Current Function*
Drupal\Core\Database\Database::openConnection	0	N/A%	-73	-18.6%	0	0.0%	0	N/A%	0	N/A%
Exclusive Metrics Diff for Current Function			-2	-2.7%	-5	N/A%	0	N/A%	0	N/A%
*Parent function*
Drupal\Core\Database\Database::getConnection	0	N/A%	-73	-100.0%	0	N/A%	0	N/A%	0	N/A%
*Child functions*
Drupal\Core\Database\Driver\mysql\Connection::open	0	N/A%	-75	-102.7%	-1	N/A%	0	N/A%	0	N/A%
Symfony\Component\ClassLoader\ApcClassLoader::loadClass	0	N/A%	2	2.7%	2	N/A%	0	N/A%	0	N/A%
Drupal\Core\Database\Driver\mysql\Connection::__construct	0	N/A%	1	1.4%	1	N/A%	0	N/A%	0	N/A%
Drupal\Core\Database\Database::parseConnectionInfo	0	N/A%	1	1.4%	1	N/A%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::setKey	0	N/A%	0	0.0%	1	N/A%	0	N/A%	0	N/A%
Drupal\Core\Database\Connection::setTarget	0	N/A%	0	0.0%	1	N/A%	0	N/A%	0	N/A%